Home / 7,125.70-10,669.35-5,167.30

Finding the Fourth Proportional to 7,125.70, 10,669.35 and 5,167.30

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Solution

The fourth proportional to 7,125.70, 10,669.35 and 5,167.30 is: 7,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.70 : 10,669.35 = 5,167.30 : x
  2. Step 2: Convert to fraction form
    7,125.70/10,669.35 = 5,167.30/x
  3. Step 3: Cross multiply
    7,125.70x = 10,669.35 × 5,167.30
  4. Step 4: Simplify right side
    7,125.70x = 55,131,732.26
  5. Step 5: Solve for x
    x = 55,131,732.26/7,125.70
  6. Step 6: Final answer
    x = 7,737.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.